alizpalie alizpalie

23-01-2018
Mathematics

contestada

Is the point a solution to the system of equations?. x + y = −3 2x − y = 6. (2,−5) (1,−4)

Respuesta :

choixongdong choixongdong

23-01-2018

x + y = −3
2x − y = 6
-------------------------add
3x = 3
x = 1

x + y = −3
1 + y = −3
y = -4

x = 1 and y = -4

answer
(1,−4)

Answer Link

Otras preguntas

What is wrong with senate and what would you replace it with or how would you change it to make it better

Can help me with division I’m bad a at division

1.Which explains why the sequence 216, 12, 2/3 is arithmetic or geometric? A.The sequence is geometric because it decreases by a factor of 6. B.The sequence

Mackenzie wrote the following paragraph proof for the Vertical Angles Theorem:The sum of angle 1 and angle 4 and the sum of angle 3 and angle 4 are each equal t

The ___ Region contains a mesa called the Llano Estacando. It has a subtropic, semiarid climate. Its primary vegetation is tall prairie grass. Major cities incl

Which may be true for a substance that absorbs energy? A. The energy decreases the molecular motion but increases the kinetic energy of the substance. B. Th

Plzzzzzzz help need answer in 3 min

What is the longest word ever?

What is the charge of a magnesium ion?

which is not a property of metals? a. malleability b.ability to conduct heat and electricity c.unreactivity d.tensile strength